How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/26100.0*Serie B100.0*Average seed
Coritiba 0 Vitoria 1 -22.8
+1.0
Internacional 1 Cruzeiro 0 +14.1
-0.1
America-MG 2 Sport Recife 2 -0.5
+0.1
Week of 12/4100.0*Serie B100.0*Average seed
Sport Recife 1 Figueirense 0 +6.5
-0.4
If winner is:HomeEmpateAway
Fluminense vs InternacionalNoNo+20.3
+0.1+0.1-0.2
Vitoria vs PalmeirasNoNo+20.3
+1.7-0.6-1.3
Ponte Preta vs Coritiba+0.3+0.1-0.3
Cruzeiro vs Corinthians-0.1-0.1+0.2
Sao Paulo vs Santa Cruz-0.2+0.1+0.1

What If

Chances based on how well the Vitoria finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
481-0-0NoNo1542359No5,846,534
460-0-1NoNo3862No3,732,193
450-1-0NoNo673332.7%5,847,993
Total:NoNo6161313411212.4%15,426,720
Points
Chance Will Win Championship